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Mathematics
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robjohn
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  • Member for 14 years, 2 months
  • Last seen more than a month ago
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  • West Hills, CA
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About

the mean square The Mean Square
(with one standard deviation and several unusual ones)

aka Rob Johnson

$\LaTeX$ support for Chat

ChatJax installer

Some of my astrophotos

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Top posts
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134
Should chat have TeX support?
Dec 6, 2011
133
General Moderation Strike: Mathematics StackExchange moderators are participating
Jun 6, 2023
119
Main Chatroom Guidelines
Mar 29, 2012
62
Someone with more rep than you is wrong?
Aug 23, 2014
49
Answers with $0$ votes.
Jan 21, 2014
45
LaTeX symbols for "therefore" and "suchthat"
Jan 9, 2016
43
MathJax: How to number and reference multiline equations?
Apr 8, 2014
43
Would a tag for "check-my-proof" questions be useful?
Nov 24, 2012
37
A bad day at mathexchange ...
Sep 3, 2012
35
I have ~7 accounts. Is this OK?
Feb 27, 2013
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669
How to prove that $\lim\limits_{x\to0}\frac{\sin x}x=1$?
177
What's 4 times more likely than 80%?
154
Slice of pizza with no crust
153
How to prove that $\frac{\zeta(2) }{2}+\frac{\zeta (4)}{2^3}+\frac{\zeta (6)}{2^5}+\frac{\zeta (8)}{2^7}+\cdots=1$?
132
Parabola is an ellipse, but with one focal point at infinity
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